code: def test_subclasses():
      img = make_image()
      masks = make_segmentation_mask()
  
      with pytest.raises(TypeError, match="unsupported operand"):
          img + masks
  
imports: from copy import deepcopy
  import pytest
  import torch
  from common_utils import assert_equal, make_bounding_boxes, make_image, make_segmentation_mask, make_video
  from PIL import Image
  from torchvision import tv_tensors
label_desc: Use image node_id 21 for calling a global function with example usage: test_subclasses() without return types